*Yasuhiko TAMURA¹, Yuichi S. Hayakawa², Masashi Morita³, Chiaki T. Oguchi⁴, Keisuke Ogata⁵, Takuro Ogura⁶ (1.The Executive Committee for the Preservation of TAYA CAVERN , 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Faculty of Urban Innovation, Division of Urban Innovation, Yokohama National University, 4.Graduate School of Science and Engineering, Saitama University, 5.Department of Cultural Property, School of Literature, Tsurumi University, 6.Graduate School of Education, Hyogo University of Teacher Education)

*Yu Takagi¹, Takuro Ogura², Yasuhiko TAMURA³, Chiaki T. Oguchi⁴, Yuichi S. Hayakawa⁵, Masato Sato⁶, Tsuyoshi Hattanji⁷ (1.Graduate School of Science and Technology, Degree Programs in Life and Earth Sciences, University of Tsukuba, 2.Graduate School of Education, Hyogo University of Teacher Education, 3.The Executive Committee for the Preservation of TAYA CAVERN, 4.Graduate School of Science and Engineering, Saitama University, 5.Faculty of Environmental Earth Science, Hokkaido University, 6.National Research Institute for Earth Science and Disaster Resilience, 7.Faculty of Life and Environmental Sciences, University of Tsukuba)

*Yasuhiko TAMURA¹, Chiaki T. Oguchi³, Yuichi S. Hayakawa², Takuro Ogura⁴ (1.The Executive Committee for the Preservation of TAYA CAVERN , 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Graduate School of Science and Engineering, Saitama University, 4.Graduate School of Education, Hyogo University of Teacher Education)